News tagged with herbivores
Sex involved in plant defense
Jul 13, 2009 |
3 / 5 (1) |
0
Why do some plants defend themselves from insect attacks better than others? New evidence shows that the difference might be due to whether they're getting any plant love.
Plant communication: Sagebrush engage in self-recognition and warn of danger
Jun 19, 2009 |
4.6 / 5 (8) |
4
"To thine own self be true" may take on a new meaning—not with people or animal behavior but with plant behavior.
Search results for herbivores
Airborne ecologists help balance delicate African ecosystem
Mar 02, 2009 |
5 / 5 (1) |
0
The African savanna is world famous for its wildlife, especially the iconic large herbivores such as elephants, zebras, and giraffes. But managing these ecosystems and balancing the interests of the large ...
Fossilized dung balls reveal secret ecology of lost world
Other Sciences / Archaeology & Fossils
Jul 15, 2009 |
4.2 / 5 (6) |
0
A new study of 30 million year old fossil 'mega-dung' from extinct giant South American mammals reveals evidence of complex ecological interactions and theft of dung-beetles' food stores by other animals.
Size doesn't matter: island mammals 'dwarfed' by lack of competitors and predators
Biology /
Sep 25, 2006 |
4.1 / 5 (14) |
0
The evolution of miniature or 'dwarf' versions of animals like elephants and hippos on islands is caused by lack of competition for food and the absence of predators, and not just because they are too large ...
Winning by a neck -- Giraffes avoid competing with shorter browsers
Biology /
Dec 22, 2006 |
2.8 / 5 (6) |
0
The giraffe's elongated neck has long been used in textbooks as an illustration of evolution by natural selection, but this common example has received very little experimental attention.
Trees, Ants and Elephants: Balance Gone Bad
Biology /
Jan 17, 2008 |
4.7 / 5 (27) |
5
UC Davis researchers in Africa have a riveting tale of natural balance gone bad, with an unhappy moral for other ecosystems: This could happen to you.
Climate change opens new avenue for spread of invasive plants
Biology /
Nov 19, 2008 |
3.1 / 5 (8) |
0
Plants that range northward because of climate change may be better at defending themselves against local enemies than native plants.
Understanding Natural Crop Defenses
Feb 28, 2009 |
5 / 5 (2) |
0
Ever since insects developed a taste for vegetation, plants have faced the same dilemma: use limited resources to out-compete their neighbors for light to grow, or, invest directly in defense against hungry ...
Rabbits to the rescue of the reef
Biology /
Mar 19, 2008 |
4.6 / 5 (5) |
0
While rabbits continue to ravage Australia’s native landscapes, rabbit fish may help save large areas of the Great Barrier Reef from destruction.
Small helpers in the genome coordinate defence strategies in plants
Biology /
Mar 20, 2008 |
5 / 5 (2) |
0
Not only are ribonucleic acids (RNA) active as transmitters of genetic information between DNA and proteins, but they also have an impact on gene expression in the form of small segments, 18-26 nucleotides ...
After mastodons and mammoths, a transformed landscape
Space & Earth / Earth Sciences
Nov 19, 2009 |
4.6 / 5 (12) |
1
(PhysOrg.com) -- Roughly 15,000 years ago, at the end of the last ice age, North America's vast assemblage of large animals -- including such iconic creatures as mammoths, mastodons, camels, horses, ground ...
List of search results for herbivores
